Occultation of TYC 5179-01730-1 by (5290) Langevin on 2008-08-01 Red O-: Vitali Nevski Optics: M300 | Method: VIS | Duration: 30.32,55.06,0 Red O-: Sergey Shurpakov Optics: M190 | Method: VIS | Duration: 30.32,54.46,0 Red O-: Tatiana Lebedeva Optics: L100 | Method: VIS | Duration: 27.55,53.90,0 Red O-: Ivan Bruhanov Optics: M150 | Method: VIS | Duration: 27.59,53.89,0 Red O-: Dzmitry Kananovich Optics: M150 | Method: VIS | Duration: 27.48,53.85,0